<template>
    <div class="nav-bar">
    <div class="left"><slot name="left"></slot></div>
    <div class="center"><slot name="center"></slot></div>
    <div class="right"><slot class="right"></slot></div>
    </div>
</template> 

<script>
    export default {
        name:'NavBar'
    }
</script>

<style scoped>
   .nav-bar{
       display: flex;
       height: 40px;
       line-height: 44px;
       text-align: center;
       box-shadow: 0 1px 1px rgba(100,100,100, .1);
   }
   .left, .right{
      width: 60px;
   }
   .center{
       flex: 1;
   }
</style>